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The diagram given here is the standard E...

The diagram given here is the standard ECG of a normal person.The P-wave represents the

A

End of systole

B

Contraction of both the atria

C

Initiation of the ventricular contraction

D

Beginning of the charcters.

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The correct Answer is:
B
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ALLEN-BIOLOGY IN HUMAN WELFARE (HEALTH & DISEASES) -Exercise -II
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  8. Which is the particular type of drug that is obtained from the plant w...

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  9. At which stage of HIV infection does one usually show symptoms of AIDS...

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  11. Which of the following is correct ?

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  12. Which of the following is not a sexually transmitted disease?

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  13. HIV that causes AIDS, first starts destroying

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  14. Which of the following viruses is not trans- ferred through semen of a...

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  17. Grafted kidney may be rejected in a patient due to

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